The Effect of Fly Ash and Recycled Aggregate on the Strength and Carbon Emission Impact of FRCCs

International Journal of Concrete Structures and Materials

Table 4 Mix proportions of FRCCs.

Specimen type	Mix no.	W/B	Unit weight(kg/m³)¹						SP^e
Specimen type	Mix no.	W/B	Water	Cement	FA^a	SS^b	RS^c	MSF^d	SP^e
Mortar	Plain	0.35	303	866	–	1039	–	–	2.34
FRCCs	OPC100		302	863	–	1036	–	21.59	4.91
	FA25RS25		290	622	207	747	249	23.27	4.72
	FA25RS50		289	618	206	495	495	23.13	4.69
	FA50RS25		281	401	401	723	241	24.97	4.56
	FA50RS50		279	399	399	479	479	24.83	4.54
Mortar	Plain	0.45	327	727	–	1091	–	–	–
FRCCs	OPC100		326	725	–	1088	–	18.14	2.18
	FA25RS25		315	525	175	788	263	19.65	2.10
	FA25RS50		313	522	174	522	522	19.53	2.09
	FA50RS25		307	341	341	767	256	21.19	2.04
	FA50RS50		305	339	339	508	508	21.06	2.03

^aFly ash, ^bSea sand, ^cRecycled sand, ^dMicro steel fiber, ^eSuper plasticizer.
¹Air contents for calculating mix proportion was assumed to 2.0%.